Public bug reported:
This happens with the standard kernels that are pushed for 11.04 and up
to 3.0, I did not try all the RC builds.
If only IPv4 is connected, there is no problem connecting to an AP, but when
IPv6 is set to automatic you might be able to connect the first time. But on
subsequent reboots the WLAN associates and then i de-associates right away.
The workaround, is to delete the SSID from the network-manager, then add it
again, associate with IPv4 only. Then enable IPv6 and associate again. This
usually works, and then it will work until a couple of reboots have happend
again.
I have verified this with 2 different AP's which uses different WLAN
chipset vendors, I tought it was my AP's at first, but since one worked
and the other did not. But when I enabled the IPv6 on the 2nd network, I
can see it happens with both AP's.
I attached this bug to the network-manager, not sure if this is the right
package. I have no idea what to collect of information, would dmesg logs be
interesting etc?
If anybody can tell me what needs to be collected, I will collect and provide
that info.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: network-manager 0.8.4~git.20110319t175609.d14809b-0ubuntu3
Uname: Linux 3.0.0-0300rc7-generic x86_64
Architecture: amd64
CRDA:
country CH:
(2402 - 2482 @ 40), (N/A, 20)
(5170 - 5250 @ 40), (N/A, 20)
(5250 - 5330 @ 40), (N/A, 20), DFS
(5490 - 5710 @ 40), (N/A, 27), DFS
Date: Sat Jul 30 10:45:39 2011
IfupdownConfig:
auto lo
iface lo inet loopback
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
IpRoute:
default via 192.168.1.1 dev wlan0 proto static
169.254.0.0/16 dev wlan0 scope link metric 1000
192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.36 metric 2
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
Keyfiles: Error: [Errno 2] No such file or directory
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
ProcEnviron:
LANGUAGE=en_US:en
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: network-manager
UpgradeStatus: Upgraded to natty on 2011-07-13 (16 days ago)
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug natty running-unity
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https://bugs.launchpad.net/bugs/818413
Title:
WLAN disassociates after a few seconds when IPv6 is enabled
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